Answer:
it will be 634.24 because if you add 551.02 and 93.22 that will be 644.24 then you minus the 10 at the beginning.
Answer:
is there an image provided?
Step-by-step explanation:
Answer:
384 cm²
Step-by-step explanation:
Since it is a square pyramid, the total surface area of the pyramid is the area of its square base plus the area of its 4 triangular faces.

Area of a triangular face
= ½ ×12 ×10
= 60 cm²

Base area of pyramid
= 12 ×12
= 144 cm²
∴ Surface area of pyramid
= 4(60) +144
= 240 +144
= 384 cm²
Hey there, Alex!
She would expect 55 of them to be left handed.
Work: 550 / 20 = 27.5
27.5 x 2 = 55
Hope I was able to help!